Calculate the hydrolysis constant (Kh) of the salt containing NO2. Given the
Ka for HNO2 = 4.5 × 10−10
2.22 × 10−5
2.02 × 105
4.33 × 104
3.03 × 10−5
Kh = KwKa = 1 × 10−144.5 × 10−10 = 2.22 × 10−5